gnu: Add dwarfs.
* gnu/packages/file-systems.scm (dwarfs): New variable.
This commit is contained in:
Pierre Neidhardt
parent
04ade01beb
commit
3a1b18aa45
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@ -46,26 +46,36 @@ (define-module (gnu packages file-systems)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages attr)
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#:use-module (gnu packages autotools)
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#:use-module (gnu packages backup)
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#:use-module (gnu packages base)
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#:use-module (gnu packages bash)
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#:use-module (gnu packages bison)
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#:use-module (gnu packages boost)
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#:use-module (gnu packages check)
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#:use-module (gnu packages compression)
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#:use-module (gnu packages cpp)
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#:use-module (gnu packages crypto)
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#:use-module (gnu packages curl)
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#:use-module (gnu packages cyrus-sasl)
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#:use-module (gnu packages datastructures)
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#:use-module (gnu packages digest)
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#:use-module (gnu packages documentation)
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#:use-module (gnu packages docbook)
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#:use-module (gnu packages elf)
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#:use-module (gnu packages flex)
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#:use-module (gnu packages gawk)
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#:use-module (gnu packages glib)
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#:use-module (gnu packages gnupg)
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#:use-module (gnu packages golang)
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#:use-module (gnu packages guile)
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#:use-module (gnu packages jemalloc)
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#:use-module (gnu packages kerberos)
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#:use-module (gnu packages libevent)
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#:use-module (gnu packages libffi)
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#:use-module (gnu packages libunwind)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages maths)
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#:use-module (gnu packages man)
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#:use-module (gnu packages nfs)
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#:use-module (gnu packages onc-rpc)
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#:use-module (gnu packages openldap)
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@ -73,6 +83,8 @@ (define-module (gnu packages file-systems)
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#:use-module (gnu packages perl)
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#:use-module (gnu packages photo)
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#:use-module (gnu packages pkg-config)
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#:use-module (gnu packages popt)
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#:use-module (gnu packages pretty-print)
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#:use-module (gnu packages python)
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#:use-module (gnu packages python-crypto)
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#:use-module (gnu packages python-web)
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@ -1863,3 +1875,90 @@ (define-public bees
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incremental data scan capability to minimize time data spends on disk from
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write to dedupe.")
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(license license:gpl3+)))
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(define-public dwarfs
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(package
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(name "dwarfs")
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(version "0.6.2")
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(source (origin
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(method url-fetch)
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;; The release archive is needed so that version.h is included.
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(uri (string-append "https://github.com/mhx/dwarfs/releases/download/v"
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version "/dwarfs-" version ".tar.xz"))
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(sha256
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(base32
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"1kncxf85gsj3anck8ccjmxn2azp5ifqbgkiky2kharmvphkbmfcv"))
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(snippet
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#~(begin
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(use-modules (guix build utils))
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;; Prefer system libraries instead of submodules.
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;; TODO: Package fbthrift.
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;; TODO: Can we use Guix own folly? There is no CMake option for it.
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;; TODO: Package parallel-hashmap.
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(for-each delete-file-recursively
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'(;; "fbthrift"
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;; "folly"
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;; "parallel-hashmap"
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"xxHash"
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"zstd"))))))
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(build-system cmake-build-system)
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(arguments
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'(#:tests? #f ; TODO: 1 test fails because 'modprobe fuse' needs privileged access.
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#:configure-flags
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(list "-DPREFER_SYSTEM_ZSTD=ON"
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"-DPREFER_SYSTEM_XXHASH=ON"
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"-DPREFER_SYSTEM_GTEST=ON"
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"-DWITH_TESTS=ON"
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;; Disable man pages since ronn fails to run without hpricot.
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"-DWITH_MAN_PAGES=OFF")))
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(native-inputs
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(list
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;; FIXME: Building with ronn fails because hpricot is missing from Guix.
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folly googletest libdwarf libevent pkg-config))
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(inputs
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(list
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boost
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double-conversion
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fmt
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fuse-3
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gflags
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jemalloc
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libarchive
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libunwind
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lz4
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openssl
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xxhash
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xz
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`(,zstd "lib")))
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(home-page "https://github.com/mhx/dwarfs")
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(synopsis "Fast high compression read-only file system")
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(description "DwarFS is a read-only file system with a focus on achieving
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very high compression ratios in particular for very redundant data.
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DwarFS also doesn't compromise on speed and for some cases it is on par with
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or performs better than SquashFS. For the primary use case, DwarFS
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compression is an order of magnitude better than SquashFS compression, it's 6
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times faster to build the file system, it's typically faster to access files
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on DwarFS and it uses less CPU resources.
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Distinct features of DwarFS are:
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@itemize
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@item Clustering of files by similarity using a similarity hash function. This
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makes it easier to exploit the redundancy across file boundaries.
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@item Segmentation analysis across file system blocks in order to reduce the
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size of the uncompressed file system. This saves memory when using the
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compressed file system and thus potentially allows for higher cache hit rates
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as more data can be kept in the cache.
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@item Highly multi-threaded implementation. Both the file system creation tool
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as well as the FUSE driver are able to make good use of the many cores of your
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system.
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@item Optional experimental Python scripting support to provide custom
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filtering and ordering functionality.
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@end itemize\n")
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(license license:gpl3)))
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